clang/tools/scan-build-py/tests/functional/cases/__init__.py

   1 # -*- coding: utf-8 -*-
   2 # Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   3 # See https://llvm.org/LICENSE.txt for license information.
   4 # SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   5
   6 import re
   7 import os.path
   8 import subprocess
   9
  10
  11 def load_tests(loader, suite, pattern):
  12     from . import test_from_cdb
  13
  14     suite.addTests(loader.loadTestsFromModule(test_from_cdb))
  15     from . import test_from_cmd
  16
  17     suite.addTests(loader.loadTestsFromModule(test_from_cmd))
  18     from . import test_create_cdb
  19
  20     suite.addTests(loader.loadTestsFromModule(test_create_cdb))
  21     from . import test_exec_anatomy
  22
  23     suite.addTests(loader.loadTestsFromModule(test_exec_anatomy))
  24     return suite
  25
  26
  27 def make_args(target):
  28     this_dir, _ = os.path.split(__file__)
  29     path = os.path.abspath(os.path.join(this_dir, "..", "src"))
  30     return [
  31         "make",
  32         "SRCDIR={}".format(path),
  33         "OBJDIR={}".format(target),
  34         "-f",
  35         os.path.join(path, "build", "Makefile"),
  36     ]
  37
  38
  39 def silent_call(cmd, *args, **kwargs):
  40     kwargs.update({"stdout": subprocess.PIPE, "stderr": subprocess.STDOUT})
  41     return subprocess.call(cmd, *args, **kwargs)
  42
  43
  44 def silent_check_call(cmd, *args, **kwargs):
  45     kwargs.update({"stdout": subprocess.PIPE, "stderr": subprocess.STDOUT})
  46     return subprocess.check_call(cmd, *args, **kwargs)
  47
  48
  49 def call_and_report(analyzer_cmd, build_cmd):
  50     child = subprocess.Popen(
  51         analyzer_cmd + ["-v"] + build_cmd,
  52         universal_newlines=True,
  53         stdout=subprocess.PIPE,
  54         stderr=subprocess.STDOUT,
  55     )
  56
  57     pattern = re.compile("Report directory created: (.+)")
  58     directory = None
  59     for line in child.stdout.readlines():
  60         match = pattern.search(line)
  61         if match and match.lastindex == 1:
  62             directory = match.group(1)
  63             break
  64     child.stdout.close()
  65     child.wait()
  66
  67     return (child.returncode, directory)
  68
  69
  70 def check_call_and_report(analyzer_cmd, build_cmd):
  71     exit_code, result = call_and_report(analyzer_cmd, build_cmd)
  72     if exit_code != 0:
  73         raise subprocess.CalledProcessError(exit_code, analyzer_cmd + build_cmd, None)
  74     else:
  75         return result
  76
  77
  78 def create_empty_file(filename):
  79     with open(filename, "a") as handle:
  80         pass